The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1988
Filed:
Dec. 20, 1985
Seijun Higuchi, Kitakyusyushi, JP;
Yashichi Oyagi, Kitakyusyushi, JP;
Tomonari Oga, Kitakyusyushi, JP;
Toshinori Mizuguchi, Kitakyusyushi, JP;
Senkichi Tsujimura, Kitakyusyushi, JP;
Toshinori Katayama, Kitakyusyushi, JP;
Fumio Yamamoto, Kitakyusyushi, JP;
Kenichi Asakawa, Kitakyusyushi, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
Coated steel sheet of high corrosion resistance comprises a sheet of steel containing not more than 0.1% by weight of carbon, 0.005 to 0.08% by weight of soluble aluminum and 0.2 to 20% by weight of chromium, the balance being iron and unavoidable impurities. The steel carries a nickel or nickel alloy layer formed on at least one surface thereof and having a thickness of 0.001 to 1.5 microns and a layer of tin formed on the nickel or nickel alloy layer and having a thickness of at least 0.05 micron. A method of producing it is also disclosed.